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092007G RevK Aqua Solar Electronic Solar Control Owner's Manual Contents Installation 1 Operation 4 Troubleshooting 9 Warranty 12 GL-235 Hayward Industries 400 Connell Drive, Suite 6100 Berkeley Heights, NJ 07922 Phone: (908) 355-7995 www.hayward.com
092007G RevK Aqua Solar Electronic Solar Control Owner's Manual Contents Installation 1 Operation 4 Troubleshooting 9 Warranty 12 GL-235 Hayward Industries 400 Connell Drive, Suite 6100 Berkeley Heights, NJ 07922 Phone: (908) 355-7995 www.hayward.com
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...;C), Enabled via internal jumpers. Description The GL-235 is designed for outdoor use. Automatic nocturnal cooling (for solar heating of 5 feet (horizontally) from the pool or spa. Grounding Refer to the ground terminal on the pool service panel. 1 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS In general, a separate.../77ºF). WARNING: Applying 240VAC to the 120VAC input terminals will cause permanent damage to expose the wiring connections. For safety, the GL-235 must be a minimum of pools, spas, and hot tubs. Input power can be either 115 or 240 VAC. Remove the internal ...
...;C), Enabled via internal jumpers. Description The GL-235 is designed for outdoor use. Automatic nocturnal cooling (for solar heating of 5 feet (horizontally) from the pool or spa. Grounding Refer to the ground terminal on the pool service panel. 1 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS In general, a separate.../77ºF). WARNING: Applying 240VAC to the 120VAC input terminals will cause permanent damage to expose the wiring connections. For safety, the GL-235 must be a minimum of pools, spas, and hot tubs. Input power can be either 115 or 240 VAC. Remove the internal ...
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... be screwed into the pump strainer basket to the normal low voltage solar valve. The GL-235 is very important if recirculate freeze protection or nocturnal cooling functions are shipped with older 12VAC valves, move jumper J4, located on conditions. For newer Hayward, Compool and Jandy actuators (with no wire end connector, a 3 position terminal...
... be screwed into the pump strainer basket to the normal low voltage solar valve. The GL-235 is very important if recirculate freeze protection or nocturnal cooling functions are shipped with older 12VAC valves, move jumper J4, located on conditions. For newer Hayward, Compool and Jandy actuators (with no wire end connector, a 3 position terminal...
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... protection is present but installed on a GL-235, either: • The filter pump must be set for continuous operation or • The GL235 High Voltage Output must be wired for outdoor use ). Other 10K ohm Hayward sensors may be covered with recirculate freeze ... for Timer Override function. 3 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Alternatively, the GL-235 control can provide recirculate freeze protection. To activate recirculate freeze protection, install the jumper across both pins marked "RECIRC", located near the solar collector array. It is only important that ...
... protection is present but installed on a GL-235, either: • The filter pump must be set for continuous operation or • The GL235 High Voltage Output must be wired for outdoor use ). Other 10K ohm Hayward sensors may be covered with recirculate freeze ... for Timer Override function. 3 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Alternatively, the GL-235 control can provide recirculate freeze protection. To activate recirculate freeze protection, install the jumper across both pins marked "RECIRC", located near the solar collector array. It is only important that ...
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...OR the pool temperature is less than the high limit setting. In the "AUTO" position, the GL-235 will heat the pool or spa (rotate valve to solar loop) when the collector (solar) sensor temperature is higher than the pool/spa sensor temperature by 4ºF or more AND the ...correct. If nocturnal cooling is collecting solar heat. If the nocturnal cooling function is enabled inside the GL-235, the "Cooling" LED indicator will show when the system is dissipating excess heat. To test the system, move the switch to the GL-235. 4 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS The valve(s) ...
...OR the pool temperature is less than the high limit setting. In the "AUTO" position, the GL-235 will heat the pool or spa (rotate valve to solar loop) when the collector (solar) sensor temperature is higher than the pool/spa sensor temperature by 4ºF or more AND the ...correct. If nocturnal cooling is collecting solar heat. If the nocturnal cooling function is enabled inside the GL-235, the "Cooling" LED indicator will show when the system is dissipating excess heat. To test the system, move the switch to the GL-235. 4 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS The valve(s) ...
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Figure 5 Measuring Voltage of Pool Sensor (Use the same method to measure the Solar Sensor) 8 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Figure 5 Measuring Voltage of Pool Sensor (Use the same method to measure the Solar Sensor) 8 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
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... an ohmmeter. Troubleshooting No Power Indicator • Check main power circuit breakers. • Check fuse Fuse Replacement The GL-235 is protected by disconnecting the solar sensor from the terminal block. Check that the "CHECK SENSOR" LED turns on Disable recirculate freeze protection if enabled. If...higher (hotter) that the "CHECK SENSOR" LED begins to five volts, the pool sensor itself may be replaced. 9 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS With the sensor disconnected from the terminal block and measure the voltage across the terminals of the main circuit board....
... an ohmmeter. Troubleshooting No Power Indicator • Check main power circuit breakers. • Check fuse Fuse Replacement The GL-235 is protected by disconnecting the solar sensor from the terminal block. Check that the "CHECK SENSOR" LED turns on Disable recirculate freeze protection if enabled. If...higher (hotter) that the "CHECK SENSOR" LED begins to five volts, the pool sensor itself may be replaced. 9 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS With the sensor disconnected from the terminal block and measure the voltage across the terminals of the main circuit board....
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...temperature (25ºC/77ºF) the sensor should be accurate to five volts, the solar sensor itself may be a possible open circuit or short circuit with sensor disconnected from...close to ground. When disconnected from the unit and freeze protection has been enabled, the GL-235 will recognize this as a freeze condition and activate freeze protection. For a given resistance ...reconnect it is defective and needs to unit and power applied. Temperature/Resistance/Voltage All Hayward controls use 10K thermistor sensors. For a given temperature, the resistance reading should be...
...temperature (25ºC/77ºF) the sensor should be accurate to five volts, the solar sensor itself may be a possible open circuit or short circuit with sensor disconnected from...close to ground. When disconnected from the unit and freeze protection has been enabled, the GL-235 will recognize this as a freeze condition and activate freeze protection. For a given resistance ...reconnect it is defective and needs to unit and power applied. Temperature/Resistance/Voltage All Hayward controls use 10K thermistor sensors. For a given temperature, the resistance reading should be...